Re: Proposal to apply mask to IP address set on rule

> [...] masked bits.[*]

> [*] Note that that would include non-contiguous masks.  I'm aware
> that they are out of fashion (and for good reasons).

I don't entirely understand why, possibly excepting how little-used
they always were (I think I'm the only person I've ever even heard of
who used a noncontiguous netmask other than for testing - for some
years my house netmask was 255.255.255.216, I think it was).

Maybe the prevalence of LPM hardware in high-end routers?

Maybe the politics of routing protocol design leading to protocols with
mask-width values rather than mask values?

Maybe, as mentioned above, their unpopularity with users?

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